Omni Filters Whole House Water Filters & Replacement Cartridges by Model Number

Filter Model #	Replacement Model #
Basic - Omni Basic	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
BF6	RS6 or TO6 or CB6 or TO8 or RO6 or CB6 or RS15 or RS18
BF7	RS6 or TO6 or CB6 or TO8 or RO6 or CB6 or RS15 or RS18
Omni Regular	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
OB1	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
OB5	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
R12	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
R14	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
U24	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19
U25	TO1 or TO3 or RS1 or RS2 or RS3 or RS5 or RS7 or RS12 or RS14 or RS19

Tank Wrenches And O-Rings:
Filter Unit Model #	Wrench and O-Ring Model #
U25	OW2 Tank Wrench OK25 O-Ring
U26	OW2 Tank Wrench U24 O-Ring
BF7	OW6 Tank Wrench OK7 O-Ring
OB1	OW1 Tank Wrench K4 O-Ring
OB5	WC79-2P K4 O-Ring
U24	OW1 Tank Wrench U24 O-Ring
R12	OW1 Tank Wrench U24 O-Ring
R14	OW1 Tank Wrench U24 O-Ring
Omni Regular	OW1 Tank Wrench U24 O-Ring

Or, select the type of filter you have and choose the recommended cartridge.
(click on image below):

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